Global Patent Index - EP 2531745 B1

EP 2531745 B1 20131120 - PNEUMATIC SPRING DEVICE FOR A RAIL VEHICLE

Title (en)

PNEUMATIC SPRING DEVICE FOR A RAIL VEHICLE

Title (de)

LUFTFEDEREINRICHTUNG EINES SCHIENENFAHRZEUGES

Title (fr)

DISPOSITIF À RESSORT PNEUMATIQUE D'UN VÉHICULE FERROVIAIRE

Publication

EP 2531745 B1 20131120 (DE)

Application

EP 10787410 A 20101202

Priority

  • DE 102010000290 A 20100203
  • EP 2010068705 W 20101202

Abstract (en)

[origin: WO2011095242A1] The invention relates to a pneumatic spring device (3) of a rail vehicle (1), comprising a pneumatic spring bellows (5) which is provided on both ends with a bead ring (6, 7), wherein the bead ring (6, 7) has a core made of two core rings (10, 11, 13, 14) positioned separately in the bead ring and the reinforcements (12) are guided in an S shape between the core rings and loop around the latter.

IPC 8 full level

F16F 9/04 (2006.01)

CPC (source: EP US)

F16F 9/0409 (2013.01 - EP US); F16F 9/0454 (2013.01 - EP US)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

DOCDB simple family (publication)

DE 102010000290 A1 20110804; CN 102741581 A 20121017; CN 102741581 B 20160127; EP 2531745 A1 20121212; EP 2531745 B1 20131120; US 2012313303 A1 20121213; US 8882087 B2 20141111; WO 2011095242 A1 20110811

DOCDB simple family (application)

DE 102010000290 A 20100203; CN 201080063085 A 20101202; EP 10787410 A 20101202; EP 2010068705 W 20101202; US 201213562027 A 20120730